How is montesquieu's concept of the separation of powers incorporated into the united states constitution?

Each branch of the U.S government has the ability to check the power of the other two branches

How  did spanish  power increaseunder charles  v and philip ii? in 1519,charles  v inherited a huge empire. he became king of  spain  and was also the heir to the hapsburg empire. during his 42-year reign, philip worked to expand  spanish  influence, strengthen the catholic church, and make his own power absolute. hope this !